Bicycle handlebar stem



FIG. 1 is a front elevational view of my bicycle handlebar stem;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof; the right side being a mirror image thereof; and

FIG. 6 is a perspective view thereof. 

The ornamental design for a bicycle handlebar stem, as shown and described. 